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Featured Articles

COMP Cams ® Rocker Arm Trunnion Upgrade Kit for GM LS7 & Gen V LT Applications

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Memphis, TN – COMP Cams® expands their roller trunnion upgrade kit offerings with anLS7/LT1/LT4 option, providing for increased reliability and stiffness with billet steel rocker trunnions and premium roller bearings. The COMP Cams® GM LS7/Gen V LT Trunnion Upgrade kit is designed to upgrade the stock needle bearings with full complement roller trunnions for high RPM race applications. These kits ... Read More »

COMP Cams® 8 – Degree Titanium Retainer for #7245 Dual Conical Valve Springs

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Memphis, TN – COMP Cams® has developed a new titanium retainer specifically for the #7245 Dual Conical Valve Spring, meeting the demands of the most competitive circle track racers. In response to the demands of competitive circle track racing, this new titanium retainer has been designed using Finite Element Analysis in order to utilize the light weight of titanium while ... Read More »

Speed Secrets: Why Air-Fuel Ratio Matters When Tuning

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Working with the experts at FAST, the Speed Secrets crew sets out to get the down and dirty when it comes to tuning, specifically, the air/fuel ratio aspect of it as timing be covered later on.  When expert tuners and engine builders put a car or engine on a dyno to do tuning, they are constantly monitoring air/fuel ratio, but ... Read More »

Speed Secrets: Nitrous on a 427 Small Block!

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All engines love nitrous, and owners of those engines love it too – because what’s not to like about it? No matter if it’s a Ford, Chevy, Dodge, Big Block, Small Block, LS, LT,  fuel injected, or carbureted engine, they all respond really well to spray. Whether you have a stock engine, or an engine that’s already built, nitrous takes ... Read More »

Speed Secrets: Is A Bigger Cam Always Better?

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Today, we’re going to take a look back at test the team at Speed Secrets did some time ago, but it still applies, and sometimes needs to be revisited. Essentially, the team is setting out to show how using a more and more aggressive cam comes with its trade offs. Specifically, the more and more top end power you gain ... Read More »

Speed Secrets: 5.3 LM7 Cam and Intake Test! How good is the TBSS manifold

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What kind of power gains can you get when you upgrade both the camshaft and intake manifold on a 5.3-liter engine? That’s what the team at Speed Secrets set out to find out, working with the experts at COMP Cams. What’s really cool about the experiment on this is, we get to look at the power gains from the combo, ... Read More »

COMP Performance Group™ Strengthens Its Sales Force

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Mark Donnelly joins the team from Seattle, WA, as the new West Coast Territory Manager for the COMP Performance Group™. He has worked in all aspects of the automotive aftermarket for 23 years, including shop work as a teenager, warehouse picker/packer, WD sales, retail, repair/service, manufacturer sales and, most importantly, is an avid automotive enthusiast. With extensive knowledge in fuel ... Read More »

Speed Secrets: What Makes Nitrous So Amazing?

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Nitrous has a high level of versatility, and is just generally pretty awesome. In this episode of Speed Secrets, the team works with the guys over at ZEX to demonstrate just why and how this gas is so useful for engine builders and racers.  The first key characteristic about nitrous on the awesome scale is how much bang you get ... Read More »

Speed Secrets: 6.0 Truck Motor: LS3 Cam vs. Comp Cam!

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There’s swapping the cam, then there’s a cam swap – but what’s the difference? In one instance, you are likely talking about swapping from one cam to another, but when you talk about a cam swap, what you’re usually talking about is making a serious upgrade to an aftermarket cam that puts your engine is a better position to make ... Read More »

Speed Secrets: Richard’s Favorite Big Block Chevy Cams!

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It’s time to talk about Big Block Chevy cams on this episode of Speed Secrets – but not just any BBC cam, Richard Holdener talks about his personal favorite BBC camshaft. So what is  Richard’s go-to camshaft, why does he like it, and what are the real applications? Let’s dig in and talk about some cams! Everyone has their preferred ... Read More »